Gas turbine hub assemblies encompass the central rotating structural components that locate and transmit torque between blade stages, discs, and shafts within both axial and centrifugal turbomachinery, covering compressor and turbine disc hubs, splined drive interfaces, and tie-bolt arrangements manufactured from nickel superalloys, titanium alloys, and powder-metallurgy (PM) billets using precision forging, five-axis CNC machining, and electron-beam or inertia friction welding.
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